---> uname -a: Linux prd-centos8-builder-4c-4g-7568.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 9.2G 71G 12% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 743 12227 19 2792 14672 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:61:41:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.230/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fe61:4167/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-builder-63d9752a-2c92-2a07-2618-33e2bb46e6c7.nov) 10/30/2025 _x86_64_ (4 CPU) 15:51:24 LINUX RESTART (4 CPU) 03:52:01 PM tps rtps wtps bread/s bwrtn/s 03:53:01 PM 267.21 90.58 176.62 3820.56 11210.80 03:54:01 PM 331.71 6.38 325.33 1367.51 13491.05 03:55:01 PM 136.22 0.90 135.32 98.37 10157.88 Average: 245.04 32.62 212.42 1762.05 11619.83 03:52:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:53:01 PM 12943156 14859564 3198376 19.81 2688 2114920 1104464 6.42 201844 2592124 175328 03:54:01 PM 11763620 13910060 4377912 27.12 2688 2338540 1868984 10.87 318480 3623100 42512 03:55:01 PM 12533800 15024424 3607732 22.35 2688 2678200 925808 5.39 512872 2647484 150168 Average: 12413525 14598016 3728007 23.10 2688 2377220 1299752 7.56 344399 2954236 122669 03:52:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM eth0 152.46 120.43 1924.01 25.58 0.00 0.00 0.00 0.00 03:54:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 PM eth0 214.23 195.13 2437.21 30.58 0.00 0.00 0.00 0.00 03:55:01 PM lo 1158.00 1158.00 1151.63 1151.63 0.00 0.00 0.00 0.00 03:55:01 PM eth0 244.02 177.39 3434.69 80.50 0.00 0.00 0.00 0.00 Average: lo 386.04 386.04 383.92 383.92 0.00 0.00 0.00 0.00 Average: eth0 203.57 164.32 2598.68 45.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-builder-63d9752a-2c92-2a07-2618-33e2bb46e6c7.nov) 10/30/2025 _x86_64_ (4 CPU) 15:51:24 LINUX RESTART (4 CPU) 03:52:01 PM CPU %user %nice %system %iowait %steal %idle 03:53:01 PM all 23.58 0.73 10.89 2.44 0.11 62.25 03:53:01 PM 0 24.27 0.77 10.86 1.91 0.10 62.09 03:53:01 PM 1 34.20 0.84 12.49 2.88 0.12 49.48 03:53:01 PM 2 15.62 0.35 6.99 2.57 0.12 74.35 03:53:01 PM 3 20.21 0.96 13.22 2.40 0.10 63.11 03:54:01 PM all 65.54 0.00 2.14 3.16 0.13 29.03 03:54:01 PM 0 62.07 0.00 2.41 2.49 0.13 32.90 03:54:01 PM 1 65.72 0.00 2.16 3.97 0.12 28.03 03:54:01 PM 2 74.46 0.00 1.56 3.83 0.12 20.03 03:54:01 PM 3 59.91 0.00 2.43 2.33 0.15 35.18 03:55:01 PM all 52.15 0.00 2.66 0.85 0.12 44.22 03:55:01 PM 0 62.78 0.00 3.22 0.99 0.12 32.89 03:55:01 PM 1 40.81 0.00 2.85 1.52 0.12 54.70 03:55:01 PM 2 47.54 0.00 2.11 0.52 0.13 49.70 03:55:01 PM 3 57.50 0.00 2.46 0.35 0.12 39.57 Average: all 47.09 0.24 5.23 2.15 0.12 45.17 Average: 0 49.69 0.26 5.50 1.80 0.12 42.64 Average: 1 46.90 0.28 5.84 2.79 0.12 44.08 Average: 2 45.89 0.12 3.55 2.31 0.12 48.01 Average: 3 45.87 0.32 6.04 1.69 0.12 45.95